[controller] program controller, permit attributes, refactor loading select data
[model|spec] remove validations for program because of nested creation
comment rack-mini-profiler
[view] use collection_select instead of select
[locale] fix locale
[controllers] Improve concerns/enrollments_controller
Merge branch 'master' into fix_program_specs

Conflicts:
	core/app/controllers/gaku/gaku_controller.rb